Question about Buick Reatta

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Disarm anti theft system

I was at the mall today and locked my 1989 Buick Reatta, I'm assuming that someone tripped the anti-theft system. When I returned to my car the security light in the dash was blinking as well as the light indicating the parking lights being on. When attempting to start my car the radio and ac turn on but nothing else. Does anyone know how to bypass the anti-theft system?

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  • 2,184 Answers

The security light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Jul 29, 2013

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: anti theft system -can't start car

The price is forbidding our small income expenses. . .BUT if you can
determine my explanation below that your bypass is compatible with ours?
We, I, my wife and baby, are confined in the seculed place in Hayfork
mountains. . .I am seeking for main stand-alone switcher that turns off
against fuel pump, against inner dome light, against rear trunk lid light,
against auto transmission and against four door lock actuators . . .I
successfully made it run with bypass starter relay and hot wired down to
gas tank pump and it runs well but "service immediately" light stays on..
and auto transmission starts on 3 rd gear that stalls engine, it wont start
on second gear. . .when arrived home on uphill road it wont go up so I
drove it on reverse and finally parked here. . .
I KNOW it is a few steps ahead where stand-alone switcher are. I am going
to follow the dome light's wire down to the place where relay-switchers
are. . or follow gas pump wire that I assume can be very hard way to do. .
but before I go ahead that if you can tell me where those switchers for
A/T, fuel pump,inner lights, doors are located?? in 1998 SL1 ? that would
really save my searching . . . Your tips without having to purchase your
bypassing kit would be greatly appreciated.
Sincerely, Donald

Posted on Jun 25, 2013

  • 3 Answers

SOURCE: 1994 cadillace anti theft system

I just had this same problem with a '96 . do you have a vats key in your '94? you need to bypass the VATS system. read some of the blogs on this site and it will tell you how to do it. I fixed mine with a $2 resistor from radio shack.

Posted on Oct 12, 2008

  • 3 Answers

SOURCE: Turn off security light on my 1992 cadillac deville

I had that same problem and it took me forever to figure out what was wrong. You are probably using an aftermarket key as was I. The stupid little plastic/metal chip in the shaft of the key is for the security system. Sometimes if you insert the key and turn too fast it sets off the security system. To solve the problem go get another key made from a different key maker, they cost around $15-20. Or, insert the key slowly and turn the ignition slowly. Or go get a good key from the dealer, I've heard it may be ~$50 for this key but it should work the best. FYI I still just use my aftermarket key and just deal with the occasional no start wait 3 min ordeal. Good luck.

Posted on Feb 10, 2009

michigan man
  • 3533 Answers

SOURCE: 2001 Explorer; anti theft light steady; no power to car

take the positive side of the battery off for about 3 seconds and then put it back on to see if this will reset the security code

Posted on Apr 26, 2009

honeymokey
  • 3113 Answers

SOURCE: Starting disabled due to anti-theft system

Replace ignition lock cylinder and chip key. The wires have broken.

Posted on May 23, 2009

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Anti THEFT cuts off fuel pump and the ignition module. That is what it is for. The theft light on the dash should be on too. Something tripped the anti-theft system Try resetting the anti-theft module by locking and unlocking the drivers door with the key.

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Hi,

My name is Ben and I'm your guru, i.e., mentor, an influential teacher or popular expert: a management guru. - origin from Sanskrit, 'weighty, grave', for today.

WARNING!

Unless you have shop technical manual,please don't even think about trying to disarm your anti-theft system because there is an easier solution. I'm assuming that you don't have the full Shop Service Manual. If you do, then you know that a shop manual costs at least $100.

So why did I say: Don't even think about it? Your anti-theft device is capable of causing problems that you don't want to deal with. If you have the dealer do the job, the cost can be prohibitive. The anti-theft device tells the on-board computer to shut off the fuel flow and to disengage the starter circuitry.

SOLUTION: Go on eBay and buy an anti-theft bypass module for $10-$20 depending on the year and make of your vehicle.

All the best

Ben

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Aug 26, 2011 | 1989 Buick Reatta

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My keys is stuck in the car and i can't get it out. My car says that i have to service the anti theft. So i was wondering if there is a way to just disarm the anti theft instead of service it


Make the FixYa experience better for everyone by voting.

Hi,

My name is Ben and I'm your guru, i.e., mentor, an influential teacher or popular expert: a management guru. - origin from Sanskrit, 'weighty, grave' for today.

As you evaluate my advise.solutions and suggestions, there are a few things you must keep in mind:

• I did not diagnose your problem and am therefore only able to evaluate what you tell me. For example, if you ask me a fuse location, that doesn't mean that I can tell you the reason why the fuse blew. I can only react to the information that you provide. So please judge my suggestions accordingly.
• A thorough diagnostic approach involves the use of technical equipment, such as voltage meters. scanning equipment and other sophisticated devices. Diagnostic tools can be borrowed from AutoZone for FREE:
• Lastly, fixing one problem can very easily reveal a problem with something that you might consider unrelated. If that happens, you might want to view me as being incompetent.


Please don't even think about trying to disarm your anti-theft system because there is an easier solution. I'm assuming that you don't have the full Shop Service Manual. If you do, then you know that a shop manual costs at least $100.

So why did I say: Don't even think about it? Your anti-theft device is capable of causing problems that you don't want to deal with. If you have the dealer do the job, the cost can be prohibitive. The anti-theft device tells the on-board computer to shut off the fuel flow and to disengage the starter circuitry.

SOLUTION: Go on eBay and buy an anti-theft bypass module for $10-$20 depending on the year and make of your vehicle.

All the best

Ben

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I have a 1990 buick reatta that starts an shuts rite off. I changed the Cam shaft sensor,TPS,Fuel pump,fuel filter. It gets fire an all.. idk what else 2do. I'm thinkin its a computer problem. Any...


Normally if it shuts off within 5 seconds or less, it can be traced back to a faulty anti theft security system. GM put this system called Vats in its vehicles since 1982. It tends to wear out and cause "no start" situations for many car owners. This might be your problem and due to the year of your car, i would lean strongly toward this. The average life of a Vats system is 6-10 years. You're a little past that. Ive got a link for you that explains symptoms and how this system works. It also has 2 possible solutions for your Reatta if this ends up being the problem. Good luck hope you figure it out. http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 03, 2011 | 2004 Chevrolet Monte Carlo

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The panic alarm sounds


it sounds like one of your door switches is setting off the alarm. Or you hood or trunk switches.

Anti-Theft -Perimeter The perimeter anti-theft system consists of the following:
  • door lock cylinder disarm switches
  • liftgate lock cylinder disarm switch
  • generic electronic module (GEM)
  • door open warning lamp switch
  • pulse stretcher module (wagon only, is located between the rear license plate housing and bracket)
  • keyless entry remote transmitter
  • hood switch/bracket assembly
-----------------------------------------------------------------------------------------------------------------------
Principles of Operation
Perimeter Anti-theft
The perimeter anti-theft feature provides an audible and visual alarm when unauthorized access to the vehicle is detected. When an intrusion is detected by any door or liftgate ajar switches, or the hood and trunk tamper switches it sends a ground signal to the GEM. When the GEM receives a signal indicating intrusion into the vehicle, the GEM supplies a ground signal to the horn control relay and the park lamps relay. The relay closes, supplying the power which activates the horn and the park lamps. The pulse stretcher module applies to wagons only. Due to the distance between the liftgate disarm switch and the GEM, the disarm switch signal is not present long enough for the GEM to recognize. The pulse stretcher module receives pulse input when switch is turned to unlock. The pulse stretcher module holds the pulse active for about 60ms so the GEM can recognize the signal and disarm the system. The perimeter anti-theft feature does not arm until 20 seconds elapses after locking the vehicle. The perimeter anti-theft device will disarm only when
  • unlock is pressed on the keyless entry remote transmitter.
  • keyless entry keypad code is entered.
  • door, luggage compartment lid or liftgate lock cylinder is turned to unlock.
  • ignition switch position changes to run or start.
Inspection and Verification
  1. Verify the customer concern by operating the system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Lock cylinder disarm switches
  • Hood switch
  • Luggage compartment lid switch
  • Loose or corroded connections
  • Generic electronic module (GEM)
  • Circuitry

-----------------------------------------------------------
Door Disarm Switch Removal and Installation
  1. Disconnect the battery ground cable. Refer to Section 414-01 .
  1. Remove the door trim panel. For additional information, refer to Section 501-05 .
  1. Remove the watershield.
  1. Disconnect the latch lever from the door lock cylinder.
    1. Remove the E-clip.
    1. Disconnect the latch lever.
  1. NOTE: The door disarm switch can be installed in more than one position. Before removing the switch from the cylinder it may be necessary to mark the position of the switch in relation to the lock cylinder.
    Remove the door disarm switch.
    • Disconnect disarm switch electrical connector.
  1. NOTE: The door disarm switch can be installed in more than one position. Use the reference marks applied in the removal procedure to index the new door disarm switch to the lock cylinder.

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For 1995 and older models.
Simply lock the door with the key from outside of the car,then unlock it. Then start the car. I think this lets the computer know that someone who has the correct key is attempting to start it.

Nov 16, 2010 | 1994 BMW 7 Series

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Car won't start.Theft light blinks,clicking sound under hood and thumping like horn wants to go off.Seems like it's stuck in anti theft mode


anti theft light should blink every few seconds.

try disconnecting the battery for 15 minutes.

Anti-Theft-Perimeter The perimeter anti-theft system consists of the following components:
  • anti-theft indicator (THEFT)
  • remote anti-theft personality (RAP) module
  • hood switch
  • keyless entry remote transmitter
  • deck lid ajar switch
NOTE: The remote entry features will not function when the ignition switch is in the RUN or ACC position.
Up to four keyless entry remote transmitters (15K601) can be programmed at one time.
The keyless entry remote transmitters :
  • Are programmable.
  • Must be set at the same time.
  • House four buttons.
  • House three buttons (Mexico Anti-Theft System only).
Programming
Refer to Section 501-14B.
Inputs and Outputs
The remote anti-theft personality (RAP) module receives input from the following components for anti-theft operation:
  • Hood switch.
  • Deck lid ajar switch.
  • Keyless entry remote transmitter.
  • Power door lock switches (LH and RH).
  • Door courtesy input.
The RAP module distributes output to the following for the anti-theft system:
  • Power door unlock relay.
  • Power door lock relay.
  • Liftgate unlock relay (Wagon)
  • Park lamps relay.
  • HORN relay.
  • Dome lamp.
  • THEFT indicator.
  • Deck lid release.
Arming
The anti-theft system can be armed if:
  • The ignition switch is in the OFF position.
  • The panic alarm is off.
  • All doors are closed.
NOTE: If a door is open, the anti-theft system is prearmed and waiting for all the doors to be closed. The THEFT indicator will remain illuminated for up to 30 minutes waiting for all the doors to be closed. If a door remains open after 30 minutes, the THEFT indicator will turn off and the system will return to a disarmed state. After all doors are closed and the 30 second prearm (continuous THEFT indicator illumination) is complete, the system is armed.
NOTE: If the theft LED does not flash after 30 seconds, check the LED FLASH PID to see if the feature is enabled.
The anti-theft system will be armed when the lock button on the keyless entry remote transmitter is pressed, all doors are closed and 30 seconds have elapsed.
When the system is armed, the THEFT indicator will flash quickly until the system is triggered or disarmed.
Disarming
NOTE: Using a key in a door lock cylinder to unlock is not a valid method of disarming the anti-theft system.
Untriggered System
NOTE: If the driver arms the system and remains in the vehicle, an untriggered system can be disarmed by turning the ignition switch to the ON position.
An untriggered alarm system can be disarmed by pressing the unlock button on the keyless entry remote transmitter.
Triggered System
NOTE: If the hood or trunk are open when the system is armed, it must be closed and opened again before it can trigger an alarm.
An armed anti-theft system can be triggered by the following conditions:
The deck lid door, liftgate, hood or any door is opened using a key, inside door handle, hood release, etc.
  • The keyless entry remote transmitter can activate a panic alarm which is similar to the anti-theft alarm, but does not cause the THEFT indicator to flash.
A triggered alarm system can be disarmed by:
  • Pressing the unlock or panic button on the keyless entry remote transmitter.
  • Turning the ignition switch to the ON position.
Alarm State When Battery Power Is Cycled
When the RAP module is supplied power the first time at the vehicle assembly plant, the system will be in the disarmed state. The RAP module will remember whether it is armed, disarmed or triggered in its non-volatile memory. When the battery positive cable is removed and then reconnected, the system will return to the state it was in just before the battery was disconnected. If the system is in any prearm state, then the system will return to a disarmed state when the battery is disconnected and then reconnected.

Nov 06, 2010 | 1999 Mercury Tracer

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